package com.ruimei.service;

import com.ruimei.entitys.ClassNews;

import java.util.Map;

public interface ClassNewsService {
    Map<String, Object> addClassNews(ClassNews classNews);
    Map<String, Object> getClassNews(ClassNews classNews);
    Map<String, Object> getClassNews(String classId, String beginTime,String endTime);
}
